#ifndef PROJECTION_H
#define PROJECTION_H

const double PI=3.1415926;
const double E=2.7182818284;

class projection
{
public:
    projection();
    virtual ~projection();
    double b;
    virtual void getXY(double L, double B,double &x,double &y)=0;
    double L0,L1,B0,B1;
    double a,e;
};

#endif // PROJECTION_H
